Gerardo Ferrara, Gerardo Martinez, Pelagia Neocleous, Pierre Ortlieb and Manesh Powar The Russian invasion of Ukraine in February 2022 and subsequent sanctions led to unprecedented increases in key commodity prices. While prices briefly abated in late spring and early summer, these surged again over late July and August, with EU and UK gas prices reaching … Continue reading ‘There is all the difference in the world between paying and being paid’: margin calls and liquidity demand in volatile commodity markets